Being able to talk clearly in person and on the phone, and to both individuals and groups. Making yourself understood and being able to clearly articulate your views and ideas – also, being able to listen actively and attentively to others.
Being able deliver effective and engaging presentations that vary according to your audience and subject. This includes an understanding of software such as PowerPoint, Prezi or Keynote, and making sure the right level of detail is included.
Being able to write clearly for a range of purposes (e.g. to persuade, inform, analyse) and audiences. Being able to gather evidence and construct reasoned arguments, and to use and present material in an ethical way (such as avoiding plagiarism). This includes using excellent spelling and grammar and knowing when to adopt a more formal or relaxed style.
Being able to effectively communicate in and understand a language other than your mother tongue. This might include verbal or written translation, and an understanding of the nuances and structures of an additional language.